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Patch or update Front End Servers in Skype for Business Server 2015

Skype for Business Server 2015

Topic Last Modified: 2015-08-17

How to apply upgrades or patches to Front End Servers in Skype for Business Server.

When you patch the servers in a Front End pool, you do so one server at a time.

  1. Type the following cmdlet:

    Get-CsPoolFabricState -PoolFqdn <PoolFQDN>

    If this cmdlet shows any missing replicas, then run the following cmdlet to recover the pool before you apply any patches.

    Reset-CsPoolRegistrarState -ResetType QuorumLossRecovery
  2. On the first server you want to patch, run the following cmdlet:

    Invoke-CsComputerFailOver -NoStop -ComputerName <Front End Server to be patched>

    This cmdlet moves all services to other Front End Servers in the pool, and takes this server offline.

  3. Apply the upgrade or patch to this server.

  4. On the upgraded server, run the following cmdlet:

    Invoke-CsComputerFailBack -ComputerName <Front End Server to be patched>

    The server is returned to service.

  5. Repeat Steps 2-4 for each server that needs to be upgraded.

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